Ironwood Pharmaceuticals Inc
IRWD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001446847
In the last 90 days, Ironwood Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 212 institutions reported holding it in 13F filings for Q2 2026, worth $675.8M in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Ironwood Pharmaceuticals Inc as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 229
- +23 vs. Q2 2021
- Shares held
- 177.4M
- +3.97M (+2.3%) vs. Q2 2021
- Total value
- $2.32B
- +$83.1M (+3.7%) vs. Q2 2021
- New holders
- 40
- 85 more added
- Sold out
- 17
- 70 more reduced
3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRWD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 212 | $675.8M |
| Q1 2026 | 227 | $566.8M |
| Q4 2025 | 199 | $520.2M |
| Q3 2025 | 166 | $194.9M |
| Q2 2025 | 155 | $104.9M |
| Q1 2025 | 200 | $228.5M |
| Q4 2024 | 223 | $727.5M |
| Q3 2024 | 221 | $673.7M |
| Q2 2024 | 227 | $1.12B |
| Q1 2024 | 261 | $1.50B |
| Q4 2023 | 251 | $1.89B |
| Q3 2023 | 249 | $1.56B |
| Q2 2023 | 252 | $1.77B |
| Q1 2023 | 255 | $1.74B |
| Q4 2022 | 250 | $2.08B |
| Q3 2022 | 245 | $1.76B |
| Q2 2022 | 240 | $2.02B |
| Q1 2022 | 221 | $2.09B |
| Q4 2021 | 212 | $2.00B |
| Q3 2021 | 229 | $2.32B |
| Q2 2021 | 209 | $2.25B |
| Q1 2021 | 210 | $1.91B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 17,501,021 | $228.6M | 0.04% | −3,593,630−17.0% | Reduced |
| Brown Capital Management LLC | 17,004,395 | $222.1M | 1.82% | −1,480,364−8.0% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $214.1M | 16.80% | 00.0% | Unchanged |
| Vanguard Group Inc | 13,456,133 | $175.7M | 0.00% | −441,046−3.2% | Reduced |
| BlackRock Inc. | 12,471,775 | $162.9M | 0.00% | +920,868+8.0% | Added |
| Westfield Capital Management Co LP | 8,181,003 | $106.8M | 0.64% | +1,922,130+30.7% | Added |
| LSV Asset Management | 7,812,227 | $102.0M | 0.18% | +3,448,000+79.0% | Added |
| State Street Corp | 7,433,009 | $97.1M | 0.01% | +627,340+9.2% | Added |
| Camber Capital Management LP | 5,500,000 | $71.8M | 2.67% | −2,000,000−26.7% | Reduced |
| Putnam Investments LLC | 5,483,569 | $71.6M | 0.11% | +746,154+15.8% | Added |
| Credit Suisse AG | 4,650,891 | $60.7M | 0.05% | +594,844+14.7% | Added |
| Goldman Sachs Group Inc | 3,075,276 | $40.2M | 0.01% | +43,705+1.4% | Added |
| Dimensional Fund Advisors LP | 2,957,073 | $38.6M | 0.01% | +277,543+10.4% | Added |
| Geode Capital Management, LLC | 2,811,404 | $36.7M | 0.00% | +53,995+2.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 2,220,400 | $29.0M | 0.16% | +2,005,800+934.7% | Added |
| Renaissance Technologies LLC | 2,209,553 | $28.9M | 0.04% | −1,228,500−35.7% | Reduced |
| Nuveen Asset Management, LLC | 2,296,161 | $28.4M | 0.01% | −11,444−0.5% | Reduced |
| Norges Bank | 1,775,428 | $23.2M | 0.01% | −6,525−0.4% | Reduced |
| JPMorgan Chase & Co | 1,766,294 | $23.1M | 0.00% | +843,827+91.5% | Added |
| New York State Common Retirement Fund | 1,766,270 | $23.1M | 0.02% | −592,507−25.1% | Reduced |
| Northern Trust Corp | 1,728,883 | $22.6M | 0.00% | −1,533−0.1% | Reduced |
| Morgan Stanley | 1,707,789 | $22.3M | 0.00% | +253,636+17.4% | Added |
| Millennium Management LLC | 1,545,482 | $20.2M | 0.03% | −213,471−12.1% | Reduced |
| Jupiter Asset Management Ltd | 1,537,262 | $20.1M | 0.23% | −10,190−0.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,440,085 | $18.8M | 0.01% | +258,897+21.9% | Added |
| D. E. Shaw & Co., Inc. | 1,325,427 | $17.3M | 0.02% | +341,189+34.7% | Added |
| Wells Fargo & Company | 1,297,039 | $16.9M | 0.00% | +336,513+35.0% | Added |
| UBS Asset Management Americas Inc | 1,229,110 | $16.1M | 0.01% | −676,165−35.5% | Reduced |
| Glenmede Trust Co NA | 1,092,610 | $14.3M | 0.07% | −5,203−0.5% | Reduced |
| Pictet Asset Management SA | 1,033,687 | $13.5M | 0.01% | +1,033,687 | New |
| Bridger Management, LLC | 970,514 | $12.7M | 1.48% | −1,064,600−52.3% | Reduced |
| Great Lakes Advisors, LLC | 955,008 | $12.5M | 0.19% | −30,897−3.1% | Reduced |
| Foundry Partners, LLC | 893,070 | $11.7M | 0.42% | +893,070 | New |
| Prudential Financial Inc | 861,639 | $11.3M | 0.02% | +186,469+27.6% | Added |
| Bank of New York Mellon Corp | 793,076 | $10.4M | 0.00% | −26,376−3.2% | Reduced |
| Arrowstreet Capital, Limited Partnership | 735,721 | $9.61M | 0.01% | +735,721 | New |
| Invesco Ltd. | 701,277 | $9.16M | 0.00% | −12,924−1.8% | Reduced |
| HealthInvest Partners AB | 685,000 | $8.95M | 13.40% | −835,000−54.9% | Reduced |
| 13D Management LLC | 650,455 | $8.49M | 3.16% | 00.0% | Unchanged |
| UBS Group AG | 622,657 | $8.13M | 0.00% | +231,156+59.0% | Added |
| Two Sigma Advisers, LP | 602,857 | $7.87M | 0.02% | +483,000+403.0% | Added |
| Islet Management, LP | 600,000 | $7.84M | 0.38% | +100,000+20.0% | Added |
| ExodusPoint Capital Management, LP | 580,985 | $7.59M | 0.11% | +188,644+48.1% | Added |
| Price Michael F | 520,000 | $6.79M | 0.79% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 500,200 | $6.53M | 0.01% | +19,425+4.0% | Added |
| Comerica Bank | 499,587 | $6.51M | 0.04% | −20,110−3.9% | Reduced |
| Parametric Portfolio Associates LLC | 463,155 | $6.05M | 0.00% | +89,669+24.0% | Added |
| Squarepoint Ops LLC | 425,530 | $5.56M | 0.04% | +293,762+222.9% | Added |
| Deutsche Bank AG | 407,494 | $5.32M | 0.00% | +307,728+308.4% | Added |
| Bank of America Corp | 403,220 | $5.26M | 0.00% | +16,822+4.4% | Added |
| Susquehanna International Group, LLP | 399,534 | $5.22M | 0.01% | +46,532+13.2% | Added |
| Clark Estates Inc | 355,000 | $4.64M | 0.66% | 00.0% | Unchanged |
| Principal Financial Group Inc | 350,610 | $4.58M | 0.00% | +15,829+4.7% | Added |
| ClariVest Asset Management LLC | 344,838 | $4.50M | 0.15% | −17,546−4.8% | Reduced |
| Hillsdale Investment Management Inc. | 340,617 | $4.45M | 0.34% | +38,000+12.6% | Added |
| Swiss National Bank | 340,000 | $4.44M | 0.00% | +2,900+0.9% | Added |
| Two Sigma Investments, LP | 338,634 | $4.42M | 0.01% | +86,718+34.4% | Added |
| AQR Capital Management LLC | 337,365 | $4.41M | 0.01% | −123,323−26.8% | Reduced |
| Citigroup Inc | 328,147 | $4.29M | 0.00% | −210,044−39.0% | Reduced |
| Jane Street Group, LLC | 327,301 | $4.27M | 0.01% | +183,700+127.9% | Added |
| Acadian Asset Management LLC | 304,857 | $3.98M | 0.02% | −363,304−54.4% | Reduced |
| Alliancebernstein L.P. | 299,825 | $3.92M | 0.00% | +54,504+22.2% | Added |
| Man Group plc | 299,483 | $3.91M | 0.01% | −95,551−24.2% | Reduced |
| American Century Companies Inc | 295,613 | $3.86M | 0.00% | +102,364+53.0% | Added |
| Cubist Systematic Strategies, LLC | 271,061 | $3.54M | 0.04% | +192,427+244.7% | Added |
| State Board of Administration of Florida Retirement System | 257,902 | $3.37M | 0.01% | −15,307−5.6% | Reduced |
| Assenagon Asset Management S.A. | 256,714 | $3.35M | 0.01% | −200.0% | Reduced |
| Rafferty Asset Management, LLC | 255,415 | $3.34M | 0.02% | +33,038+14.9% | Added |
| Old Mission Capital LLC | 219,008 | $2.86M | 0.13% | +88,646+68.0% | Added |
| Barclays PLC | 215,716 | $2.82M | 0.00% | −9,639−4.3% | Reduced |
| State of Wisconsin Investment Board | 214,800 | $2.81M | 0.01% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 214,754 | $2.81M | 0.02% | +214,754 | New |
| Alberta Investment Management Corp | 210,731 | $2.75M | 0.02% | +56,404+36.5% | Added |
| Virginia Retirement Systems Et Al | 207,300 | $2.71M | 0.03% | −19,600−8.6% | Reduced |
| California State Teachers Retirement System | 204,070 | $2.67M | 0.00% | +3,601+1.8% | Added |
| State of New Jersey Common Pension Fund D | 202,526 | $2.65M | 0.01% | −4,667−2.3% | Reduced |
| Healthcare Value Capital, LLC | 200,000 | $2.61M | 6.78% | 00.0% | Unchanged |
| Rhumbline Advisers | 189,862 | $2.48M | 0.00% | +6,173+3.4% | Added |
| Schroder Investment Management Group | 184,074 | $2.40M | 0.00% | 00.0% | Unchanged |
| Jennison Associates LLC | 176,657 | $2.31M | 0.00% | +61,034+52.8% | Added |
| Macquarie Group Ltd | 170,990 | $2.23M | 0.00% | +167,200+4,411.6% | Added |
| Redwood Investment Management, LLC | 157,075 | $2.05M | 0.29% | +15,720+11.1% | Added |
| Nomura Holdings Inc | 151,000 | $2.01M | 0.02% | +151,000 | New |
| Broderick Brian C | 141,350 | $1.85M | 0.49% | −2,500−1.7% | Reduced |
| AlphaCrest Capital Management LLC | 139,579 | $1.82M | 0.09% | +8,834+6.8% | Added |
| Legal & General Group Plc | 137,554 | $1.80M | 0.00% | +30,007+27.9% | Added |
| Russell Investments Group, Ltd. | 135,505 | $1.77M | 0.00% | −19,612−12.6% | Reduced |
| APG Asset Management N.V. | 157,000 | $1.77M | 0.00% | +33,100+26.7% | Added |
| SEI Investments Co | 131,007 | $1.74M | 0.00% | +98,150+298.7% | Added |
| First Trust Advisors LP | 128,107 | $1.67M | 0.00% | +128,107 | New |
| Price T Rowe Associates Inc | 122,145 | $1.59M | 0.00% | −10,700−8.1% | Reduced |
| M&G Investment Management Ltd | 113,313 | $1.47M | 0.01% | +113,313 | New |
| Artal Group S.A. | 110,532 | $1.44M | 0.04% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 110,070 | $1.44M | 0.06% | +15,440+16.3% | Added |
| Globeflex Capital L P | 109,240 | $1.43M | 0.31% | +37,625+52.5% | Added |
| Jackson Creek Investment Advisors LLC | 100,195 | $1.31M | 0.49% | +803+0.8% | Added |
| Citadel Advisors LLC | 91,734 | $1.20M | 0.00% | −79,701−46.5% | Reduced |
| Panagora Asset Management Inc | 88,553 | $1.16M | 0.01% | −3,898−4.2% | Reduced |
| Fisher Asset Management, LLC | 85,918 | $1.12M | 0.00% | −16,706−16.3% | Reduced |
| Tudor Investment Corp Et Al | 83,672 | $1.09M | 0.02% | +83,672 | New |